Abstract

This research is a weak experiment research which aims to describe the profile of students' literacy ability improvement through scientific study. The research design used isone group pretest-posttest design with the sample of the study amounted to 32 students of class VII in one of SMP Negeri in North Lampung regency in the academic year 2014/2015 selected by using purposive sampling technique . The data collection technique was conducted by using science literacy test consisting of 22 items with four choices of answers. The data were analyzed by calculating the normalized average score (N-gain) score data to know the improvement of scientific literacy ability measured by using Microsoft Excel . The data were then analyzed statistically by testing the students' pretest and post - test values by performing normality test, homogeneity test, and paired sample t-test using IBM SPSS Statistics 22 program. The average yield of N-gain obtained is 0.46 and is in the category of moderate increase. Hypothesis test result on t test is known significance level of 0,00; smaller than α = 0.05 (Sign <0.05) which means that Ho is rejected. The results of this test indicate that the ability of science literacy before and after students applied scientific study is not the same, or with other expression can be said that there is a significant difference between the ability of science literacy before and after the application of scientific learning. The results of this study indicate that scientific learning can improve the students' literacy skill profile on competency aspect and knowledge aspect on environmental pollution material.